Apparatus and method for configuring a control message in a broadcast system

An apparatus for providing multimedia content in a system, the apparatus comprising:

• at least one processor configured to identify a packet according to a moving picture experts group (MPEG) media transport (MMT) protocol, the packet including a packet header and a packet payload, wherein the packet payload comprises a control message for a package of the multimedia content;
• and
• a transmitter configured to transmit the packet to a receiving entity,
• wherein the control message comprises:
• a message type field including information on a type of the control message,
• a length field including information on a length of the control message,
• an extensive information field including identifier information indicating an identifier of a first table in a payload field of the control message and version information indicating a version of the first table, and
• the payload field including the first table,
• wherein the first table comprises, for providing the receiving entity with information on where to obtain a second table, first location information providing a first location of the second table, the identifier information indicating the identifier of the first table and the version information indicating the version of the first table, and
• wherein the second table comprises a list of assets related to the package, for the receiving entity to consume the package based on the second table.